docs: def count(self, query):
          """
          If query is Select object, this function will try to get count of select
          """
          if self.manual:
              return self.total
          
          if isinstance(query, Select):
              q = query.with_only_columns([func.count()]).order_by(None).limit(None).offset(None)
              return do_(q).scalar()
  
          return query.count()